The Milwaukee Tool grinders are available with industry leading 11amp, 13amp and 15amp motors. In addition to the increased motor outputs many of the Milwaukee grinders also feature overload protection, tool free accessory changes and several other improvements to the electronic controls. Advanced Airflow System - Maximizes airflow and reduces debris ingress, improving motor life and performance. Debris Baffles protect internal components by deflecting damaging debris out of the airflow at the intake vents.